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No. 822,303. PATENTED JUNE 5, 1906. G. RIEBB. TYPE BAR FOR TYPE WRITING MACHINES.

LPPLIOA'IIOH FILED [Ali-.14, 1805.

22: ran fury-- I w m m i m m w m u u M W ITED STATES PATENT OFFICE.

GUSTAV RIEBE, OF KATTOWITZ, GERMANY, ASSIGNOR TO FIRM OF ALBERT PEISER, OF BRESLAU, GERMANY.

TYPE-BAR FOR TYPE-WRITING MACHINES.

Specification of Letters Patent.

Patented June 5, 1906.

Application filed Kai-ch 14,1!)(15. Serial No. 250,046.

To all whom it may concern:

Be it known that I, GUSTAV Emma, 11. subj ect of the German Emperor, residing at Kattowitz, Germany, have invented certain new and useful Improvements in e-Bars for Type-Writin Machines, of whic the following is a spec' cation.

The present invention has reference to improvements in ty e-bars for type-writing machines, and re ates more especiallg' to t%pe-bars with exchangeable type; an the o ject of the invention is to PIOVlClB means whereby the type on t e-bars of type-writing machines can read1 y be exchanged by the operator for the purpose of chanyuig from one style or character of type to nother.

In order to make my invention more readily understood, I have illustrated it.on the accompanying sheet of drawings, in which Figure 1 represents a side elevation, Fig. 2 a front elevation, and Fig.' 3 a rear elevation, respectively, of a type-bar provided with a guriable and exchangeable type-block or The type-bar consists of the bar proper, o, and the t -l)lock b, can in the construction s own the typed a ii e. The bar terminates in a projection or knife-ed e c and is provided with an internal three as at i. The head-piece or-block b is rovided on the opposite faces with t e d an e-one, for instance, in Roman and t e other in Russian charactersand with a longitudinallyextending bore. A pin f screws with its one end into the internal thread '11, passes through the bore of the type-block, and carries at its other end a knob or the like 9. A helical spring is interposed between this knob and the type-block, the 0p osite edge of which is recessed or dovetaile so as to engage the knife-edge c, as clearly shown in the drawnow the o erator desires to change from one type to t e other, he raises the typeblock against the pressure of the spring f enough to lift the lock clear of the kmfe edge, turns the block half around, in case a two-faced block is used, and lets it down again on the knife-edge, the spring pressing it firmly unto its seat in this new position.

For the purpose of exchanging the blocks for others the pin must be unscrewed from the bar, when the block can easily be removed.

It is obvious that instead of a double-faced type-block, as shown, a multifaced one may be used, in which latter case a cross-recess in the respective end of the type-block would have to be rovided.

What I c aim is In type-writing machines, a type-bar compris' 1n combination, the type-bar proper, a kni e-edge formin the extremity of said bar pro er, a typelock havin a central bore an a recess, a in remove ly secured to said type-bar an passing through the bore in said type-block, an enlargement at the free end oi said pin, and a helical sprin interposed between said enlargement an said type-block, substantially as and for the purpose set forth.

In testimony whereof I ailix my signature in presence of two witnesses.

GUSTAV RIEBE.

Witnesses:

ll/IAXIMILIAN Sosmmz, EnNs'r KA'IZ. 

